Laptop's Hard Drives- Speed Also Matters

Buying a laptop? Would you like to upgrade your old with a new hard drive? In addition to the hard drive's space for the storage of applications, documents, music, movies and other data, you should also pay attention to the speed performance. If you want quick access to stored data on your laptop's hard drive, you should purchase hard drive with SATA interface, higher speed and larger buffer cache size.
Buy a laptop withSATA drive
Consume Serial ATA (SATA) drive less electricity, they save your laptop's battery. Even your laptop's speed enchase performance. Most hard drives usually support ATA/66 (66 MB / sec), Ultra ATA/100 (100 MB / sec) or SATA (150 Mbps) interfaces. The figures refer to the maximum burst rate at which to pass the data on a drive in the system (66, 100 or 150 megabytes per second can). SATA transmit data in a serial (in a single data stream)as opposed to PATA or Parallel ATA which is commonly referred to as an IDE hard drive.
Check the disk rotational speed
Do not forget to check the hard disk speed!
The disk rotation speed, you will learn how fast the drive spins its disks in revolutions per minute (rpm). A higher speed means higher drive performance. A 7,200 rpm hard drive is faster than a 5400 rpm or 4,200 rpm and provides a better performance.
Larger buffer cache size - Better Performance
To increase buffer cache size is drive uses a temporary data storage area performance. If the computer requests data from the disk if the data is stored in the cache, there is a performance directly to the speed of the cache are related. Larger buffer cache size usually results in better performance of the hard disk. Buffer cache size for most laptop 's> Hard drives is usually 2 MB, 4 MB or 8 MB.

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